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Full Discussion: Error in awk...
Top Forums UNIX for Dummies Questions & Answers Error in awk... Post 302970114 by Don Cragun on Saturday 2nd of April 2016 04:14:49 AM
Old 04-02-2016
In the shell, double quote and backslash are regular characters inside a single quoted string. And, although single quote is not a special character inside a double quoted string, the single quote that is causing you problems is terminating a single-quoted string; not a single quote inside a double-quoted string in your awk script. The shell is seeing the single-quoted string:
Code:
'BEGIN \
{
	SAWTOOTHPLUS64 = " !#$&"\'

and both double quotes and single quotes are mismatched after that.

If you want a single quote for use inside a shell single-quoted awk script, define a variable outside the script and use the variable. For example:
Code:
#!/bin/sh
awk -v SQ="'" 'BEGIN \
{
	SAWTOOTHPLUS64 = " !#$&" SQ ")*,-/0235689:<>?ABDEGHJKMNPQSTVWYZ\\^_abdeghjkmnpqstvwyz|}~"
	for(LOOP = 1; LOOP <= 13; ++LOOP)
	{
		SAWTOOTHPLUS64 = SAWTOOTHPLUS64 SAWTOOTHPLUS64
	}
	printf("%s", SAWTOOTHPLUS64) > "/tmp/sawtoothplus64.raw"
}'

Note also that you don't need backslash escapes for the single quote and close parenthesis in the double-quoted string in awkerror1.awk (just as I dropped the backslash escape before the close parenthesis in the above adaptation of awkerror2.awk).
This User Gave Thanks to Don Cragun For This Post:
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LEARN ABOUT MOJAVE

page_util_quote

page_util_quote(n)					      Parser generator tools						page_util_quote(n)

__________________________________________________________________________________________________________________________________________________

NAME

       page_util_quote - page character quoting utilities

SYNOPSIS

       package require page::util::quote  ?0.1?

       package require snit

       ::page::util::quote::unquote char

       ::page::util::quote::quote'tcl char

       ::page::util::quote::quote'tclstr char

       ::page::util::quote::quote'tclcom char

_________________________________________________________________

DESCRIPTION

       This package provides a few utility commands to convert characters into various forms.

API

       ::page::util::quote::unquote char
	      A  character,  as stored in an abstract syntax tree by a PEG processor (See the packages grammar::peg::interpreter, grammar::me, and
	      their relations), i.e. in some quoted form, is converted into the equivalent Tcl character. The character is returned as the  result
	      of the command.

       ::page::util::quote::quote'tcl char
	      This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl parser, will
	      regenerate the character in question and is 7bit ASCII. The string is returned as the result of this command.

       ::page::util::quote::quote'tclstr char
	      This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl  parser  and
	      will generate a human readable representation of the character in question.  The string is returned as the result of this command.

	      The  string  does not use any unprintable characters. It may use backslash-quoting. High UTF characters are quoted to avoid problems
	      with the still prevalent ascii terminals. It is assumed that the string will be used in a double-quoted environment.

       ::page::util::quote::quote'tclcom char
	      This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl parser  when
	      used within a Tcl comment. The string is returned as the result of this command.

BUGS, IDEAS, FEEDBACK
       This  document,	will  undoubtedly  contain  bugs  and  other  problems.  Please report such in the category page of the Tcllib SF Trackers
       [http://sourceforge.net/tracker/?group_id=12883].  Please also report any ideas for enhancements you may have.

KEYWORDS

       page, parser generator, quoting, text processing

CATEGORY

       Page Parser Generator

COPYRIGHT

       Copyright (c) 2007 Andreas Kupries <andreas_kupries@users.sourceforge.net>

page									1.0							page_util_quote(n)
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